Q: What is 155 rounded to the nearest whole number?

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150.50

155 is not a prime number, but a composite number, as it is divisible by 5 and 31.

As 155 is ending with 5 then it can be divided by 5 thus it's not a prime number 155 = 5 x 31

156.0

The total number of multiples is infinite. Here are the first 10: 155, 310, 465, 620, 775, 930, 1085, 1240, 1395, 1550 . . .

Related questions

150.50

15.5

200

It's already there.

155 is 15500 percent

To the nearest ten, 160 To the nearest hundred, 200

It rounds to 160

The mystery number is 155. When rounded to the nearest hundred, it rounds to 200. The sum of its digits is 1+5+5=11 which is greater than 10, so we must adjust the digit in the hundreds place. When rounded to the nearest ten, 155 rounds to 160, which has digits summing up to 1+6+0=7.

155.0

Rounded to the nearest inch, 155 centimetres is equal to 5 feet 1 inch.

Rounded to two decimal places, 155 centimetres is equal to 5.09 feet, or, to the nearest inch, 5 feet 1 inch.

Rounded to two decimal places, sqrt(155) = ±12.45